package com.ccc3gc.servlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

@WebServlet("/adminOut")
public class AdminOutServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        resp.setHeader("refresh", "3;URL=/adminLogin.jsp");
        resp.setContentType("text/html;charset=UTF-8");
        PrintWriter out = resp.getWriter();
        out.println("注销成功,<span id='times'>3</span>秒后跳转到登录页面,立刻跳转,点击<a href='/adminLogin.jsp'>这里</a>");
        out.println("<script>");
        out.println("let timeLeft = 3;");
        out.println("const timerElement = document.getElementById('times');");
        out.println("setInterval(function() {");
        out.println("timeLeft--;");
        out.println("timerElement.innerText = timeLeft;");
        out.println("}, 1000)");
        out.println("</script>");
        req.getSession().invalidate();
    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }
}
